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* New `vector` library! See https://rfcs.luau.org/vector-library.html for details * Replace the use of non-portable `strnlen` with `memchr`. `strnlen` is not part of any C or C++ standard. * Introduce `lua_newuserdatataggedwithmetatable` for faster tagged userdata creation of userdata with metatables registered with `lua_setuserdatametatable` Old Solver * It used to be the case that a module's result type would unconditionally be inferred to be `any` if it imported any module that participates in any import cycle. This is now fixed. New Solver * Improve inference of `table.freeze`: We now infer read-only properties on tables after they have been frozen. * We now correctly flag cases where `string.format` is called with 0 arguments. * Fix a bug in user-defined type functions where table properties could be lost if the table had a metatable * Reset the random number seed for each evaluation of a type function * We now retry subtyping arguments if it failed due to hidden variadics. --------- Co-authored-by: Aaron Weiss <aaronweiss@roblox.com> Co-authored-by: Alexander McCord <amccord@roblox.com> Co-authored-by: Vighnesh <vvijay@roblox.com> Co-authored-by: Aviral Goel <agoel@roblox.com> Co-authored-by: David Cope <dcope@roblox.com> Co-authored-by: Lily Brown <lbrown@roblox.com> Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com> Co-authored-by: Junseo Yoo <jyoo@roblox.com>
40 lines
891 B
Lua
40 lines
891 B
Lua
local function prequire(name) local success, result = pcall(require, name); if success then return result end return nil end
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local bench = script and require(script.Parent.bench_support) or prequire("bench_support") or require("../bench_support")
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function fma(a: vector, b: vector, c: vector)
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return a * b + c
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end
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function approx(a: vector): vector
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local r = vector.create(1, 1, 1)
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local aa = a
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r += aa * 0.123
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aa *= a
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r += aa * 0.123
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aa *= a
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r += aa * 0.123
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aa *= a
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r += aa * 0.123
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aa *= a
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r += aa * 0.123
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aa *= a
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r += aa * 0.123
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return r
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end
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function test()
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local A = vector.create(1, 2, 3)
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local B = vector.create(4, 5, 6)
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local C = vector.create(7, 8, 9)
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local fma = fma
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local approx = approx
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for i=1,100000 do
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fma(A, B, C)
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approx(A)
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end
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end
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bench.runCode(test, "vector math")
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